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单选题
A user has just installed an application that is causing system instability and lock-ups and is not allowing a clean uninstall. To resolve this issue, the technician should:（）
A
power cycle the system completely.
B
run an on-demand virus scan.
C
perform a system restore.
D
check the installation event logs
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更多 “单选题A user has just installed an application that is causing system instability and lock-ups and is not allowing a clean uninstall. To resolve this issue, the technician should:（）A power cycle the system completely.B run an on-demand virus scan.C perform a system restore.D check the installation event logs” 相关考题
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单选题A user states that the laser printer is leaving a black line on all pages being printed. Which of thefollowing is the MOST likely cause and solution for this issue?（）A
Faulty driver; reinstall or update driverB
Bad fuser; place service call to printer manufacturer.C
Excess toner on drum; perform maintenance (e.g. clean drum surface).D
Deteriorating rollers and worn brushes; replace rollers and brushes.
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多选题A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).AToner cartridgeBLaser scannerCFormatter PCBDPickup rollersEFuser
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单选题A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）A
StickyKeys is enabled and needs to be disabled.B
The new keyboard is defective and needs to be replaced.C
The system board is defective.D
The keyboard ribbon is not seated properly.
考题
单选题A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）A
The technician used generic thermal paste.B
The processor had pins broken during installation.C
The memory is incompatible with the new CPU.D
An incorrect fan size was installed on the heatsink.
考题
单选题A technician is checking on a printer that is frequently jamming. The jams always consist ofmultiple papers becoming stuck. The paper in the printer was just reloaded this morning. Which of the following is the MOST likely reason for the jams?（）A
The drum is old and needs to be replaced.B
The fuser is not coming up to the proper temperature.C
The paper tray rollers are too tight.D
The paper is damp due to humidity.
考题
单选题Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）A
Cable testerB
Ohm meterC
Field strength meterD
PSU tester
考题
单选题Which of the following files are required to start Windows XP boot process?（）A
Ntldr, boot.ini and ntdetect.comB
IO.sys, boot.ini and ntboot.sysC
IO.sys, Msdos.sys and boot.sysD
Config.sys, msconfig.sys and boot.ini
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